Circutor CVM-C11 - 3�5�2�- Measuring Three-Phase Networks with a 4-Wire Connection, CVM-C11-MC-In-485-Ict2; Model

3.5.2.- MEASURING THREEPHASE NETWORKS WITH A 4WIRE CONNECTION, CVMC11MCIN
485ICT2 MODEL
Measurement system: 4-3Ph
UL1 UL2
UL3 N
L1
L2
L3
N
UL1
UL2
UL3
a b
A B
a
b
A B
S1
S2
P1
P2
a
b
A B
Alimentación Auxiliar
Power Supply
CARGA /LOAD
POWER SUPPLY OUTPUTS INPUTS RS-485
A1(+)
A2(-)
ROC R01 R02 DOC D01 D02 DIC DI1 DI2
A(+) B(-)
IL1
IL2
IL3
IN
S1
S2
S1 S1
S1
S2 S2 S2
P2
P1
P2
P1
P2P1 P2P1
A1(+) A2(-)
U
L1
U
L2
U
L3
N
U
L1
U
L3
U
L2
1P1 1P2
Brown/Green
Grey/Pink
Green/white
Red/Blue
3P1 2P1
3P2
2P2
Figure 5: Three-Phase measuring with a 4-wire connection (CVM-C11-MC-IN-485-ICT2).
Note: Do not connect MC current transformers to ground.
The MC transformer secondary value is set to 0.250 A (fixed value).
15
Instruction Manual
CVM-C11